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A San Diego man busted in a prostitution sting wore a very telling T-shirt during his arrest that had this phrase scrolled across the front: “I Make Pimpin’ Look Easy.”

Alleged pimp Martell Davis, 34, pleaded guilty in federal court to acting as a pimp for a 17-year-old girl and transporting the minor from San Diego to Yuma, Ariz., to engage in prostitution.

In his plea agreement Thursday, Davis admitted he drove the teenager to Arizona so she could engage in commercial sex acts.

According to prosecutors, court records show Davis was arrested on Jul. 27 as the result of an undercover operation by San Diego police.

An undercover detective responded to an online prostitution ad and set up a fake “date” to meet the teenage girl involved with Davis at a Best Western hotel in the Mission Valley area. The ad was charging $80 for the date with t he girl.

When the detective arrived at the hotel room, he arrested the teenager and then used the girl’s cell phone to text message the person investigators believed was her pimp.

Posing as the teen, the detective texted the girl’s suspected pimp and asked how much she should charge for a particular sex act.

The person on the other end texted back: “Break the bank.”

Later, another text message came from the suspected pimp’s phone, this time asking how much the girl had made from the sex act.

Prosecutors say the detective texted back “5,” meaning $500, to which the person on the other end responded, “Damn cool.”

Still using the teen’s phone, the detective asked the girl’s suspected pimp to pick her up from the hotel.

A short time later, Davis arrived at the room – wearing a T-shirt that read “I Make Pimpin’ Look Easy’ – and was arrested.

Davis was charged with transportation of a minor to engage in prostitution and faces a minimum 10 years to life in prison. His sentencing has been scheduled for Dec. 13.